The cholera epidemic of September, 1908, was probably a continuation of the outbreak which had its greatest intensity in January, 1908.
In January, 1908, there were 184 cases of cholera in Manila. In February, 14 cases of cholera were registered, and in March, 3 cases were registered. In April cases resembling cholera clinically began to present themselves, which bacteriologically were negative. On May 14, 1 case bacteriologically positive was reported. June 11, 1 case of true cholera was found, and suspicious cases, resembling cholera clinically but negative bacteriologically, were found on June 3, 4, 18, 19, 24 (2 cases), 27, 28 and 29. These cases resembled the true clinical picture of cholera more closely from day to day. Some were fatal in a few hours, and the intestinal contents yielded a motile vibrio which resembled the cholera vibrio but did not respond to the agglutination test. These suspicious cases, negative